.header-nav{
  display: flex;
  flex-direction: row;
  justify-content: center;
  width:200px;
  height: 50px;
  background: black;
  color: white;
  align-items: center;
  margin-left: 50px;
}
a{
  color: white
}
.active{
  color:hotpink;
}
.container{
  display: flex;
  flex-direction: row;
  background: white;
  height: 100px;
  width: 96%;
  margin: 0 auto;
  margin-top: 10px
}
.box1{
  flex: 1;
  height: 100px;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.img-rexiao{
  width:45px;
  height: 45px;
  margin-top: 20px;
}
.img-title{
  text-align: center;
}
.root{
  background: #dddddd;
  width: 100%;
}
